Have existing 2003 AD on old equipment. Want to upgrade to 2008 R2 AD & DNS. Run dcpromo on new AD-DNS server. Add a domain controller to an existing forest. Select the network domain then get error that I must run adprep / forestprep. I run the adprep /forestprep on the new 2008 R2 server and get message that adprep cannot run on this platform because it is not an active directory domain.I have adprep /forestprep on the Windows 2003 32bit standard server -- its version, not the 200
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